| Name | Onoseris costaricensis Ferreyra |
| Authorship | Ferreyra |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Onoseris Willdenow |
| GUID | urn:lsid:ipni.org:names:174430-2 |
| Citation | 1944 J. Arnold Arbor. 25: 367 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Onoseris costaricensis Ferreyra |
| Identification made in | 1944 (1), 1998 (1) |